@@ -540,25 +540,31 @@ int arch_domain_create(struct domain *d, unsigned int domcr_flags,
}
else
{
- if ( (config->emulation_flags & ~XEN_X86_EMU_ALL) != 0 )
+ uint32_t emflags;
+
+ if ( is_hardware_domain(d) )
+ config->emulation_flags |= XEN_X86_EMU_PIT;
+
+ emflags = config->emulation_flags;
+ if ( (emflags & ~XEN_X86_EMU_ALL) != 0 )
{
printk(XENLOG_G_ERR "d%d: Invalid emulation bitmap: %#x\n",
- d->domain_id, config->emulation_flags);
+ d->domain_id, emflags);
return -EINVAL;
}
- if ( is_hardware_domain(d) )
- config->emulation_flags |= XEN_X86_EMU_PIT;
- if ( config->emulation_flags != 0 &&
- (config->emulation_flags !=
- (is_hvm_domain(d) ? XEN_X86_EMU_ALL : XEN_X86_EMU_PIT)) )
+
+ /* PVH guests can request emulated APIC */
+ if ( emflags &&
+ (is_hvm_domain(d) ? ((emflags != XEN_X86_EMU_ALL) &&
+ (emflags != XEN_X86_EMU_LAPIC)) :
+ (emflags != XEN_X86_EMU_PIT)) )
{
printk(XENLOG_G_ERR "d%d: Xen does not allow %s domain creation "
"with the current selection of emulators: %#x\n",
- d->domain_id, is_hvm_domain(d) ? "HVM" : "PV",
- config->emulation_flags);
+ d->domain_id, is_hvm_domain(d) ? "HVM" : "PV", emflags);
return -EOPNOTSUPP;
}
- d->arch.emulation_flags = config->emulation_flags;
+ d->arch.emulation_flags = emflags;
}
if ( has_hvm_container_domain(d) )
PVH guests may request LAPIC emulation (and nothing else) Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> --- xen/arch/x86/domain.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-)